| Predicate |
Object |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03G5-0612
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03G5-0661
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03G5-065
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03G5-0677
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03G5-0672
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03G5-0679
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D455-04 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03G5-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D519-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D455-04 |
| filingDate |
1969-12-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
1972-11-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
GB-1296863-A |
| abstract |
1296863 N,N<SP>1</SP> - Bis - (p - dimethylaminophenylazobenzilidene) benzidine INTERNATIONAL BUSINESS MACHINES CORP 8 Dec 1969 [23 Dec 1968] 21997/72 Divided out of 1296862 Heading C2C The invention comprises N,N<SP>1</SP> - bis - (p - dimethylaminophenylazobonzilidene) benzidine. It may be obtained by reacting benzidine with p-dimethylaminophenylazobenzaldehyde inethanol. An example is given for the preparation of the compound. It is useful as a photoconductive compound. |
| priorityDate |
1968-12-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |